Base | Representation |
---|---|
bin | 1011101001000110011… |
… | …0001011110111000011 |
3 | 201010021010100210201211 |
4 | 2322101212023313003 |
5 | 11234110331430422 |
6 | 231514530110551 |
7 | 20310315110602 |
oct | 2722146136703 |
9 | 633233323654 |
10 | 200011201987 |
11 | 77908122443 |
12 | 3291b41b457 |
13 | 15b26741b7c |
14 | 9975799a39 |
15 | 5309438577 |
hex | 2e9198bdc3 |
200011201987 has 2 divisors, whose sum is σ = 200011201988. Its totient is φ = 200011201986.
The previous prime is 200011201979. The next prime is 200011202009. The reversal of 200011201987 is 789102110002.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 200011201987 - 23 = 200011201979 is a prime.
It is not a weakly prime, because it can be changed into another prime (200011201927) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100005600993 + 100005600994.
It is an arithmetic number, because the mean of its divisors is an integer number (100005600994).
Almost surely, 2200011201987 is an apocalyptic number.
200011201987 is a deficient number, since it is larger than the sum of its proper divisors (1).
200011201987 is an equidigital number, since it uses as much as digits as its factorization.
200011201987 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 2016, while the sum is 31.
Adding to 200011201987 its reverse (789102110002), we get a palindrome (989113311989).
The spelling of 200011201987 in words is "two hundred billion, eleven million, two hundred one thousand, nine hundred eighty-seven".
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